Calculators that respond to their environment. All of the financial calculators here at CalcXML have been designed following responsive web design principles, adapting to the size of the screen on which they are displayed. From the smallest cell phone to the largest desktop monitor, all of your web visitors will be happy with these financial calculators.
Dichlorodiphenyltrichloroethane (DDT) Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. The United States banned the use of DDT in 1972, but some countries still use the chemical.
A highly effective chlorinated hydrocarbon (insecticide) developed during World War II, the usage of DDT (dichloro-diphenyl-trichloroethane) began in 1943 and became the most widely used pesticide on American farms until it was banned in 1972.